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Structural Organisation in Animals — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYStructural Organisation in Animals1 Mark
MCQ
What is correct for blood group ‘O’?
  • A
    No antigens but both a and b antibodies are present.
  • B
    A antigen and b antibody.
  • C
    Antigen and antibody both absent.
  • D
    A, B antigens and a, b antibodies.
✓

Answer

  1. No antigens but both a and b antibodies are present.

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